Heat System

Which heating systems use fuel to heat a mass of surrounding air that is blown through a series of ducts?

• Electrical

• forced air

• radiator

• solar

Which would you expect to find in a home with passive solar heating?

• wall of large windows

• central furnace

• fan

• ceiling heating coils

Tags

NGSS.MS-PS3-3

A(n) _____ is something that transforms radiant energy from the Sun into thermal energy.

• radiator

• solar collector

• combustion engine

• heating coil

Heat engines convert _____ energy into _____ energy.

• mechanical, thermal

• thermal, mechanical

• potential, kinetic

• kinetic, potential

Tags

NGSS.HS-PS3-3

After holding an ice pack against his skin for 20 minutes, the man notices the ice pack is melting. Why is this happening?

• radiation - the ice pack is now all melted

• conduction - body heat transferred to the cold ice pack

• convection - the water in the ice pack flowed in a circle pattern

• conduction - heat came from the bigger object to the smaller

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

All heating systems for homes require _____.

• electricity

• energy

• fuel oil

• heat

If a door was left open between the bedroom (74 degrees) and the living room (68 degrees), what would likely happen to the temperatures after several hours?

• nothing, they would not change

• both rooms would become hotter 

• both room would become colder

• the bedroom temp. would lower and the living room temp. would rise

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The table below shows the temperatures of several different objects made of the same material. Use the table to answer any questions that follow. What will happen if the ball is placed inside the box?

• Thermal energy will flow from the ball into the box until they come to the same temperature at 50°C.

• Thermal energy will flow from the box into the ball until they come to the same temperature at 25°C.

• Thermal energy will flow from the ball into the box until the box decreases in temperature to 20°C.

• Thermal energy will flow from the box into the ball until the ball increases in temperature to 30°C.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What heat transfer happens when you burn your hand by touching a fire?

• Radiation

• Conduction

• Convection

• I don't know!!!!!!!!!!!

A toaster toasting bread is an example of 

• condensation

• conductio

• convection

• radiation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3